It depends on which solenoid you're talking about. For the fuel pump, horn, AC... remove the cover from the fuse/relay box then the relay just pulls out and is easily replaced.
Rear of the engine next to the firewall
You clean or replace it.
if it is anything like my 97' Saturn Sl2. The engine must be dropped out to dismount the transmission.
How do I replace the water pump in my 1994 Saturn SL2 series standard twin cam.
2001 sl2. 119 exchanged NAPA auto parts
Yes, there is an alternator fuse for a 1992 Saturn SL2. It is easy to replace and is found in the fuse box of this car.
No, just replace the filter.
Replace the alternator. Utilize a Hane's Manual.
If you are mechanically inclined it is cheaper to replace the entire engine
1993 Saturn sl2
http://youtube.com/watch?v=ngcEWopvPBY
It is inside the fuel tank